50 entries under adjective topic. ×
| amusing | |
| carefree | |
| casual | |
| drowsy | |
| easygoing | |
| empty | |
| forgetful | |
| frivolous | |
| harebrained | |
| heedless | |
| imprudent | |
| inadvertent | |
| incautious | |
| inconsiderate | |
| indiscreet | |
| insensible | |
| irresponsible | |
| lightheaded | |
| listless | |
| mindless |
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| APA | Smart Define. (2015). diligent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/diligent/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "diligent thesaurus" https://smartdefine.org/diligent/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, diligent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/diligent/thesaurus/antonyms>. |
| MLA | Smart Define. "diligent thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/diligent/thesaurus/antonyms> |